EP1209714A2 - Procédé et appareil pour la fabrication de nanotubes et nanotubes produits par ce procédé,procédé pour la formation de motifs de nanotubes et matériau de nanotubes formé par ce procédé,et source d'électrons - Google Patents

Procédé et appareil pour la fabrication de nanotubes et nanotubes produits par ce procédé,procédé pour la formation de motifs de nanotubes et matériau de nanotubes formé par ce procédé,et source d'électrons Download PDF

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Publication number
EP1209714A2
EP1209714A2 EP01127667A EP01127667A EP1209714A2 EP 1209714 A2 EP1209714 A2 EP 1209714A2 EP 01127667 A EP01127667 A EP 01127667A EP 01127667 A EP01127667 A EP 01127667A EP 1209714 A2 EP1209714 A2 EP 1209714A2
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EP
European Patent Office
Prior art keywords
electrode
nano
tube
arc
arc discharge
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
EP01127667A
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German (de)
English (en)
Other versions
EP1209714A3 (fr
Inventor
Hirofumi Takikawa
Yoshihiko Hibi
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Futaba Corp
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Futaba Corp
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Filing date
Publication date
Application filed by Futaba Corp filed Critical Futaba Corp
Publication of EP1209714A2 publication Critical patent/EP1209714A2/fr
Publication of EP1209714A3 publication Critical patent/EP1209714A3/fr
Withdrawn legal-status Critical Current

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    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J19/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J19/087—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J19/088—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/05—Preparation or purification of carbon not covered by groups C01B32/15, C01B32/20, C01B32/25, C01B32/30
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82B—NANOSTRUCTURES FORMED BY MANIPULATION OF INDIVIDUAL ATOMS, MOLECULES, OR LIMITED COLLECTIONS OF ATOMS OR MOLECULES AS DISCRETE UNITS; MANUFACTURE OR TREATMENT THEREOF
    • B82B3/00—Manufacture or treatment of nanostructures by manipulation of individual atoms or molecules, or limited collections of atoms or molecules as discrete units
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y10/00—Nanotechnology for information processing, storage or transmission, e.g. quantum computing or single electron logic
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y30/00—Nanotechnology for materials or surface science, e.g. nanocomposites
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B82—NANOTECHNOLOGY
    • B82Y—SPECIFIC USES OR APPLICATIONS OF NANOSTRUCTURES; MEASUREMENT OR ANALYSIS OF NANOSTRUCTURES; MANUFACTURE OR TREATMENT OF NANOSTRUCTURES
    • B82Y40/00—Manufacture or treatment of nanostructures
    • C—CHEMISTRY; METALLURGY
    • C01—INORGANIC CHEMISTRY
    • C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
    • C01B32/00—Carbon; Compounds thereof
    • C01B32/15—Nano-sized carbon materials
    • C01B32/158—Carbon nanotubes
    • C01B32/16—Preparation
    • C01B32/162—Preparation characterised by catalysts
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J9/00—Apparatus or processes specially adapted for the manufacture, installation, removal, maintenance of electric discharge tubes, discharge lamps, or parts thereof; Recovery of material from discharge tubes or lamps
    • H01J9/02—Manufacture of electrodes or electrode systems
    • H01J9/022—Manufacture of electrodes or electrode systems of cold cathodes
    • H01J9/025—Manufacture of electrodes or electrode systems of cold cathodes of field emission cathodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0809—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes employing two or more electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0816—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes involving moving electrodes
    • B01J2219/082—Sliding electrodes
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0822—The electrode being consumed
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0824—Details relating to the shape of the electrodes
    • B01J2219/0826—Details relating to the shape of the electrodes essentially linear
    • B01J2219/083—Details relating to the shape of the electrodes essentially linear cylindrical
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0803—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy
    • B01J2219/0805—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges
    • B01J2219/0807—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor employing electric or magnetic energy giving rise to electric discharges involving electrodes
    • B01J2219/0837—Details relating to the material of the electrodes
    • B01J2219/0839—Carbon
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0881—Two or more materials
    • B01J2219/0886—Gas-solid
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/08—Processes employing the direct application of electric or wave energy, or particle radiation; Apparatus therefor
    • B01J2219/0873—Materials to be treated
    • B01J2219/0892—Materials to be treated involving catalytically active material
    • H—ELECTRICITY
    • H01—ELECTRIC ELEMENTS
    • H01J—ELECTRIC DISCHARGE TUBES OR DISCHARGE LAMPS
    • H01J2201/00—Electrodes common to discharge tubes
    • H01J2201/30—Cold cathodes
    • H01J2201/304—Field emission cathodes
    • H01J2201/30446—Field emission cathodes characterised by the emitter material
    • H01J2201/30453—Carbon types
    • H01J2201/30469—Carbon nanotubes (CNTs)
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/70—Nanostructure
    • Y10S977/734—Fullerenes, i.e. graphene-based structures, such as nanohorns, nanococoons, nanoscrolls or fullerene-like structures, e.g. WS2 or MoS2 chalcogenide nanotubes, planar C3N4, etc.
    • Y10S977/742—Carbon nanotubes, CNTs
    • Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10—TECHNICAL SUBJECTS COVERED BY FORMER USPC
    • Y10S—TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y10S977/00—Nanotechnology
    • Y10S977/84—Manufacture, treatment, or detection of nanostructure
    • Y10S977/842—Manufacture, treatment, or detection of nanostructure for carbon nanotubes or fullerenes
    • Y10S977/844—Growth by vaporization or dissociation of carbon source using a high-energy heat source, e.g. electric arc, laser, plasma, e-beam

Definitions

  • This invention relates to nano-tube techniques, and more particularly to a method for manufacturing a nano-tube, a nano-tube manufactured thereby, an apparatus for manufacturing a nano-tube, a method for pattering a nano-tube, a nano-tube material patterned thereby, and an electron emission source having a patterned nano-tube material incorporated therein.
  • the prior art requires recovery of the cathode deposit and/or soot and cleaning of the equipment after completion of the process, to thereby be unsuitable for continuous mass production of the nano-tube.
  • a nano-tube material is provided.
  • the nano-tube material is patterned according to the patterning method described above.
  • the general-purpose TIG welding power supply 5 is constructed so as to feed the gas 12 to the arc torch 1.
  • argon (Ar) gas is fed for this purpose.
  • the gas used is not limited to any specific type.
  • the gases used for this purpose include, for example, inert gas such as Ar, helium (He) or the like, air, nitrogen (N2) gas, carbon oxide gas such as carbon dioxide (CO2) gas or the like, oxygen (02) gas, hydrogen (H2) gas, and a mixture thereof.
  • the gas 12 is preferably fed to the arc torch 12.
  • feeding of the inert gas to the arc torch 12 prevents any chemical reaction between the nano-tube and the inert gas, to thereby minimise breakage of the nano-tube.
  • the inert gas is fed to the arc torch 12.
  • a thorium (Th)- or cerium (Ce)-containing W electrode may be used as a torch electrode.
  • such an electrode may be used as the torch electrode 10.
  • pure graphite is preferably used for the torch electrode 10.
  • the torch electrode 10 is not limited to any specific diameter. When a general-purpose torch is used for this purpose, the diameter is preferably within a range of between 1mm and 7mm.
  • a portion of a surface of graphite which is desired to be formed into nano-tubes has the metal catalyst 15 or the like sprayed, coated, plated or deposited thereon.
  • DC arc or DC pulse arc permits formation of nano-tubes on a portion of the surface of the arc-treated material 2 covered with the metal catalyst 15 or the like. However, no nano-tube is substantially formed on a portion of the surface of the arc-treated material which is not covered with the metal catalyst 15.
  • AC arc or AC pulse arc it is not preferable to use AC arc or AC pulse arc, because nano-tubes are formed on the portion of the surface of the arc-treated material 2 which is not covered with the metal catalyst 15 as well. The method is simply practised as compared with the method shown in Fig. 3, because the former does not use the mask 13 during the arc discharge.
  • the electron emission source is permitted to be increased in performance.
  • the metal layer may be made in the form of a thick film by screen printing or the like or a thin film by CVD, mask deposition or the like.
  • the metal layer may also act as a wiring layer which permits the nano-tube to carry out electron emission due to application of a potential thereto, when the nano-tube is used as an electron emission source.
  • the metal catalyst 15 may be arranged in a solid pattern on the arc-treated material 2 or patterned as desired.
  • the graphite layer and metal layer also may be formed in a solid pattern. Alternatively, they may be patterned in correspondence to a pattern of the metal catalyst 15.
  • the metal catalyst 15 may be deposited in the form of a thin film by CVD, mask deposition or the like.
  • the nano-tube formed on the substrate or arc-treated material 2 is applied to the electron emission source without being subjected to any further processing.
  • the nano-tube may be separated from the substrate or arc-treated material 2 and purified, followed by application in the form of an elemental nano-tube to the electron emission source.
  • the present invention provides a method for manufacturing nano-tubes which readily forms nano-tubes in any desired pattern on at least one site of a substrate.
EP01127667A 2000-11-21 2001-11-20 Procédé et appareil pour la fabrication de nanotubes et nanotubes produits par ce procédé,procédé pour la formation de motifs de nanotubes et matériau de nanotubes formé par ce procédé,et source d'électrons Withdrawn EP1209714A3 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
JP2000353659 2000-11-21
JP2000353659 2000-11-21

Publications (2)

Publication Number Publication Date
EP1209714A2 true EP1209714A2 (fr) 2002-05-29
EP1209714A3 EP1209714A3 (fr) 2005-09-28

Family

ID=18826381

Family Applications (1)

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EP01127667A Withdrawn EP1209714A3 (fr) 2000-11-21 2001-11-20 Procédé et appareil pour la fabrication de nanotubes et nanotubes produits par ce procédé,procédé pour la formation de motifs de nanotubes et matériau de nanotubes formé par ce procédé,et source d'électrons

Country Status (4)

Country Link
US (1) US6759024B2 (fr)
EP (1) EP1209714A3 (fr)
KR (1) KR100562975B1 (fr)
CN (1) CN1295145C (fr)

Cited By (1)

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US7625545B2 (en) 2002-07-01 2009-12-01 Jfe Engineering Corporation Process for producing carbon nanotubes by arc discharge

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CN100341629C (zh) * 2002-05-21 2007-10-10 艾考斯公司 使碳纳米管涂层形成图案的方法和碳纳米管布线
US20040026232A1 (en) * 2002-07-09 2004-02-12 Ramot At Tel Aviv University Ltd. Method and apparatus for producing nanostructures
JP3962773B2 (ja) * 2002-12-05 2007-08-22 独立行政法人科学技術振興機構 原料吹き付け式カーボンナノ構造物の製造方法及び装置
JP4524546B2 (ja) * 2003-07-15 2010-08-18 ソニー株式会社 カーボンナノチューブおよびその製造方法
US7612370B2 (en) * 2003-12-31 2009-11-03 Intel Corporation Thermal interface
WO2005097676A2 (fr) * 2004-03-26 2005-10-20 Luna Innovations Incorporated Procede permettant la production de nanomateriaux carbones multiples
WO2005099005A2 (fr) * 2004-03-26 2005-10-20 Luna Innovations Incorporated Trimetaspheres pour membranes selectives d'ions
US8119092B2 (en) * 2004-03-26 2012-02-21 Luna Innovations Incorporated Pegylation and hydroxylation of trimetallic nitride endohedral metallofullerenes
US7570411B2 (en) * 2004-03-26 2009-08-04 Luna Innovations Incorporated Optical limiter having trimetallic nitride endohedral metallofullerence films
WO2005097808A2 (fr) * 2004-03-26 2005-10-20 Luna Innovations Incorporated Metallofullerenes endohedraux de nitrure trimetallique polyhydroxy- hydrogenosulfates
JP2007531286A (ja) * 2004-03-26 2007-11-01 ルナ・イノヴェイションズ・インコーポレイテッド トリメタスフェアを備える光起電装置
US20070292698A1 (en) * 2004-03-26 2007-12-20 Luna Innovations Incorporated Trimetaspheres as Dry Lubricants, Wet Lubricants, Lubricant Additives, Lubricant Coatings, Corrosion-Resistant Coatings and Thermally-Conductive Materials
KR101102441B1 (ko) * 2004-04-16 2012-01-05 학교법인 동의학원 산화 인듐이 부착된 카본을 제조하는 방법
CN1302159C (zh) * 2004-05-19 2007-02-28 北京大学 一种单晶半导体纳米线的生长装置及其应用
KR101046976B1 (ko) * 2004-10-19 2011-07-07 삼성에스디아이 주식회사 전자 방출원 형성용 조성물, 이를 이용한 전자 방출원제조 방법 및 전자 방출원
US20060104886A1 (en) * 2004-11-17 2006-05-18 Luna Innovations Incorporated Pure-chirality carbon nanotubes and methods
EP1841523A4 (fr) * 2005-01-03 2009-03-25 Luna Innovations Inc Procede de separation chimique pour fullerenes
KR100728182B1 (ko) * 2006-05-12 2007-06-13 삼성에스디아이 주식회사 연료 전지용 캐소드 촉매, 이를 포함하는 연료 전지용막-전극 어셈블리, 및 이를 포함하는 연료 전지 시스템
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US20080213367A1 (en) * 2007-03-01 2008-09-04 Cromoz Inc. Water soluble concentric multi-wall carbon nano tubes
JP6068334B2 (ja) * 2011-04-15 2017-01-25 株式会社環境・エネルギーナノ技術研究所 カーボンナノ材料製造装置及びその利用
CN105510815A (zh) * 2015-11-27 2016-04-20 平高集团有限公司 一种故障电弧试验装置

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US5482601A (en) * 1994-01-28 1996-01-09 Director-General Of Agency Of Industrial Science And Technology Method and device for the production of carbon nanotubes
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CN1354130A (zh) 2002-06-19
KR20020039636A (ko) 2002-05-27
US6759024B2 (en) 2004-07-06

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